15.46% is the change from 537 to 620
Calculation steps:
[( 620 - 537 ) ÷ 537] x 100 = 15.46%
Formula
Percentage change = [(620 - 537) / 537] x 100
Subtract the new number by the original number
620 - 537 = 83
83 ÷ 537 = 0.15456238361266295
0.15456238361266295 x 100 = 15.46%